他心里有底，一点不慌。

He was not at all nervous, for he knew what to expect.

《新英汉大辞典》

我更希望在一个冠军队当个角色球员，我每天都与顶级球员一起训练，当你上场的时候就心里有底。

I'd prefer to be playing a lesser role somewhere where I am training with top-quality players, knowing when you play, it is in a game like this.

youdao

您将负责通过制定详细的项目计划和预算，清楚地说明和反映soa安全实现所必需的东西，确保每个人都对此心里有底。

You're responsible for making sure that everyone "gets this" by creating detailed project plans and budgets that make clear and reflect exactly what an SOA security implementation entails.

youdao

这些解决办法为公司估值提供了很好的客观基础，如果数据真实，也能给很多企业家敲响警钟，或让他们在讨论估值时做到心里有底。

It offers an objective basis for supporting you valuation and for a lot of entrepreneurs (if the data is realistic) it's a wake-up call as well as a good bottom-line for the valuation discussion.

youdao

这些解决办法为公司估值提供了很好的客观基础，如果数据真实，也能给很多企业家敲响警钟，或让他们在讨论估值时做到心里有底。

It offers an objective basis for supporting you valuation and for a lot of entrepreneurs (if the data is realistic) it's a wake-up call as well as a good bottom-line for the valuation discussion.

youdao